CN109744992B

CN109744992B - Arthroscope

Info

Publication number: CN109744992B
Application number: CN201910012402.6A
Authority: CN
Inventors: 雷光华; 熊依林; 肖文峰; 高曙光; 李宇晟
Original assignee: Xiangya Hospital of Central South University
Current assignee: Xiangya Hospital of Central South University
Priority date: 2019-01-07
Filing date: 2019-01-07
Publication date: 2021-08-27
Anticipated expiration: 2039-01-07
Also published as: CN109744992A

Abstract

The invention discloses an arthroscope which comprises a lens cone, wherein the tail end of the lens cone is connected with a fixed seat, the top of the front end of the lens cone is provided with a transparent observation window, the fixed seat is provided with an endoscope, a lens extends into the lens cone, a reflector component which reflects light entering from the observation window to the lens is arranged on the inner bottom surface of the front end of the lens cone in a sliding manner, an inclined plane is arranged in front of the reflector component in the lens cone, the lens cone is also internally provided with an adjusting rod hinged with the tail end of the reflector component, the fixed seat is provided with a driving component which drives the adjusting rod to move axially, and the free end of the reflector component can be inclined and lifted along the inclined plane under the driving of the adjusting rod. The front end of the lens cone is provided with the inclined surface, and the reflector component can slide into the inclined surface through the driving free end of the adjusting rod, so that the angle of the reflector component is adjusted, the reflection condition of the reflector component is changed, and the observation area and angle of the arthroscope are further changed.

Description

Arthroscope

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to an arthroscope.

Background

Arthroscopy, as a common medical instrument in orthopedics, is widely used for detecting and treating joint diseases, and is small in wound, good in effect, quick in recovery, capable of reducing pain of patients and resistant to doctors and patients.

In the present widely used arthroscope, the observation angle of the arthroscope is a fixed angle, the observation range is also fixed, when the arthroscope is used in a narrow space of a joint, the arthroscope is limited to a certain degree, sometimes, a doctor needs to replace the arthroscope with different visual angles to complete the operation, the operation progress is influenced, more pain is caused to a patient, and the labor intensity of the doctor during the operation is increased.

In addition, in the existing arthroscope, the arthroscope lens needs to be matched with other instruments for use, a protective device is not arranged in the use process, the lens is easily abraded, the use effect is influenced, and the lens is easily damaged due to the slender structure of the arthroscope lens during daily postoperative cleaning, disinfecting and maintaining of the lens, and the service life of the arthroscope lens is influenced.

Disclosure of Invention

The present application is directed to solving at least one of the problems in the prior art. Therefore, the invention aims to provide an arthroscope with adjustable observation angle and observation range.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides an arthroscope, includes the lens cone, lens cone trailing end connection has the fixing base, lens cone front end top is equipped with transparent observation window, be equipped with the camera lens on the fixing base and extend to endoscope in the lens cone, it will follow to slide on the bottom surface in the lens cone front end the light reflection that the observation window got into extremely the reflector assembly of camera lens, the lens cone is inherent reflector assembly's the place ahead is equipped with the inclined plane, still be equipped with in the lens cone with the articulated regulation pole of connecting of reflector assembly trailing end, be equipped with the drive on the fixing base adjust pole axial displacement's drive assembly, reflector assembly is in its free end can be followed under the drive of regulation pole the inclined plane slope rises.

Further, reflector component includes base and flexible reflector piece, the base include the stiff end and with the relative slip end of stiff end, the slip card is equipped with the slider on the slip end, the both ends of reflector piece respectively with stiff end and slider are articulated to be connected, adjust the pole with stiff end is articulated to be connected, still including connecting the slider with adjusting component between the fixing base, the slider is in under adjusting component's the drive court the stiff end removes.

Furthermore, the adjusting component comprises a rope winding wheel arranged on the fixed seat and an adjusting rope wound on the rope winding wheel, and the free end of the adjusting rope penetrates from the tail end of the lens cone and is fixedly connected with the sliding block.

Furthermore, a return torsion spring is arranged on an articulated shaft which is articulated and connected with the adjusting rod and the base.

Further, the reflector plate is an arc-shaped stainless steel lens.

Furthermore, the endoscope is a hard endoscope which is inserted and fixed on the fixed seat.

Furthermore, the fixed seat is also provided with an adjusting component for adjusting the insertion depth of the hard sight glass.

Furthermore, the adjusting assembly comprises an adjusting gear rotatably mounted on the fixed seat and a sight glass mounting seat slidably arranged on the fixed seat, the hard sight glass is fixedly mounted on the sight glass mounting seat, and the sight glass mounting seat is provided with a first transmission tooth in meshing transmission with the adjusting gear.

Furthermore, drive assembly includes rotatable the installation drive gear and the slip setting on the fixing base are in on the fixing base and with the seat that slides that the regulation pole linked firmly, slide on the seat be equipped with drive gear meshing driven second driving tooth.

Furthermore, the lens cone comprises a hollow support rod and a sealing cover arranged at the front end of the support rod, and the observation window is arranged on the sealing cover.

Compared with the prior art, the invention has the following advantages:

1. the front end of the lens cone is provided with the inclined surface, and the reflector component can slide into the inclined surface through the driving free end of the adjusting rod, so that the angle of the reflector component is adjusted, the reflection condition of the reflector component is changed, and the observation area and angle of the arthroscope are further changed.

2. The reflector component comprises a base and a reflector which is arc-shaped and elastic, and the curvature of the reflector can be adjusted through the adjusting component, so that the reflection condition of the reflector is changed, and the adjustment of an observation area of the arthroscope is realized.

3. The position of the endoscope can be freely adjusted, so that a target area can be observed conveniently by matching with the reflector.

In a word, the observation angle and the observation range of the arthroscope can be freely adjusted, and the arthroscope has the advantages of simple structure and convenience in adjustment.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic diagram of the movement of the components of the present invention;

fig. 4 is a schematic structural view of a mirror assembly according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an arthroscope comprises a lens barrel, wherein a fixed seat 7 is connected to the tail end of the lens barrel, a transparent observation window 2 is arranged at the top of the front end of the lens barrel, an endoscope 9 with a lens extending into the lens barrel is arranged on the fixed seat 7, a reflector assembly 10 is slidably arranged on the inner bottom surface of the front end of the lens barrel, an inclined plane is arranged in front of the reflector assembly 10 in the lens barrel, an adjusting rod 11 hinged to the tail end of the reflector assembly 10 is further arranged in the lens barrel, a driving assembly for driving the adjusting rod 11 to move axially is arranged on the fixed seat 7, the free end of the reflector assembly 10 can be inclined and lifted along the inclined plane under the driving of the adjusting rod 11, a connector capable of connecting an image display terminal and a power supply is arranged at the tail end of the endoscope 9, a peeping area of the endoscope 9 is fixed, and the central line of the peeping area forms a certain angle with the axis of the endoscope.

In this embodiment, the light that the light source in the camera lens sent shines on reflector assembly 10, and through reflector assembly 10 through transparent observation window 2 reflection to the tissue that awaits measuring, treat that the light of the tissue that awaits measuring shines 2 through transparent observation in proper order, reflector assembly 10 arrives on the camera of camera lens, the image transmission that the camera will shoot shows to image display terminal, be equipped with the inclined plane at the lens cone front end, reflector assembly 10 can slide into on the inclined plane through the drive free end of adjusting pole 11, along with the difference of the position of free end on the inclined plane, reflector assembly 10's inclination is different, and then can change its reflection conditions, realize the region and the angle that the arthroscope observes. The lens cone has better strength, can protect the lens in the use process and avoid the abrasion of the lens.

Referring to fig. 4, it should be noted that in practical design, the mirror assembly 10 includes a base 1001 and a bendable mirror 1002 disposed on the base, and the adjusting rod 11 is connected to the rear end of the base 1001. The front end sliding card of base 1001 is equipped with slider 1003, and the both ends of speculum 1002 are connected with the tail end of slider 1003 and base 1001 is articulated respectively, still including the adjusting part of connection between slider 1003 and fixing base 7, and slider 1003 moves towards adjusting pole 11 under adjusting part's drive. In this embodiment, the slider 1003 is driven by the adjusting component to bend the mirror plate 1002, so as to adjust the curvature of the mirror plate 1002, change the reflection condition of the mirror plate, and adjust the observation area of the arthroscope.

Specifically, the bendable reflecting mirror 1002 is formed by polishing a stainless steel material, and has good strength and mirror optical performance, and the change of the distance between the slider 1003 and the base 1001 causes the change of the bending degree of the mirror, so that the imaging area of the reflected image changes.

In a preferred embodiment of the present invention, the lens barrel includes a hollow support rod 3 and a sealing cap 1 disposed at a front end of the support rod 3, and the observation window 2 is disposed on the sealing cap 1. In this embodiment, the lens and the reflector assembly 10 are packaged in the lens barrel, and when the mirror is sterilized, only the lens barrel needs to be sterilized, so that the whole mirror is prevented from being sterilized, the problem that the electronic equipment cannot be sterilized or has poor sterilization tolerance at the front end of the lens barrel in the existing micro camera is solved, and time and cost are saved. In addition, the sealing cover 1 can effectively isolate different internal and external spaces, the observation area is a transparent area, the sealing cover has good light transmission performance, and the sealing cover has good visibility when the internal space is observed outside, so that the external observation of the endoscope cannot be influenced.

It can be thought that, in practical application, the adjusting assembly includes the rope winding wheel 5 installed on the fixing base 7 and the adjusting rope 12 wound on the rope winding wheel 5, the free end of the adjusting rope 12 penetrates from the tail end of the lens barrel and is fixedly connected with the sliding block 1003, when the radian of the reflector needs to be adjusted, the adjusting rope 12 is tightened by screwing the rope winding wheel 5, the adjusting rope 12 drives the base 1001 to slide 1003, the radian of the reflector is adjusted, and after the rope winding wheel 5 is loosened, the sliding block 1003 is reset under the action of the elastic restoring force of the reflector 1002.

Preferably, a return torsion spring (not shown in the figure) is further arranged on a hinge shaft, which is used for connecting the adjusting rod 11 and the base 1001 in a hinged manner, the reflector assembly can rotate around the hinge point in a certain area, when the free end of the reflector assembly slides onto the inclined plane, the return torsion spring is continuously compressed along with the continuous increase of the ascending distance, the free end of the reflector assembly is enabled to be tightly attached to the inclined plane, and when the reflector assembly retreats from the inclined plane, the reflector assembly is reset under the action of the return torsion spring.

Preferably, the endoscope 9 is a standard hard endoscope inserted and fixed on the fixing base 7, and the fixing base 7 is further provided with an adjusting component for adjusting the insertion depth of the hard endoscope. Specifically, the adjusting assembly comprises an adjusting gear 8 rotatably mounted on the fixing base 7 and a sight glass mounting base 14 slidably arranged on the fixing base 7, the hard sight glass is detachably mounted on the sight glass mounting base 14, a first transmission tooth meshed with the adjusting gear 8 for transmission is arranged on the sight glass mounting base 14, when the position of the lens needs to be adjusted, the adjusting gear 8 is screwed, and the sight glass mounting base 14 is driven to linearly move through the first transmission tooth, so that the hard sight glass axially moves on the fixing base 7.

Specifically, drive assembly includes rotatable drive gear 6 of installing on fixing base 7 and the seat 13 that slides and set up on fixing base 7 and link firmly with adjusting pole 11, is equipped with the second driving gear with drive gear 6 meshing transmission on the seat 13 that slides. When the position of the adjusting rod 11 needs to be adjusted, the driving gear 6 is screwed, the sliding seat 13 is driven to move linearly through the first transmission gear, the adjusting rod is further driven to move freely in the lens cone axially, and the fixing seat 7 is composed of a seat body and a fixing seat cover 4 covering the seat body.

Of course, the adjusting assembly, the driving assembly and the adjusting assembly may also adopt other driving mechanisms with linear adjusting capability in the prior art, and are not described herein again.

The above examples are merely illustrative for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Nor is it intended to be exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.

Claims

1. The utility model provides an arthroscope, includes the lens cone, lens cone trailing end connection has the fixing base, lens cone front end top is equipped with transparent observation window, be equipped with the camera lens on the fixing base and extend to endoscope in the lens cone, it will follow to slide on the bottom surface in the lens cone front end light reflection that the observation window got into extremely the speculum subassembly of camera lens, its characterized in that: an inclined plane is arranged in front of the reflector component in the lens barrel, an adjusting rod hinged with the tail end of the reflector component is further arranged in the lens barrel, a driving component for driving the adjusting rod to move axially is arranged on the fixed seat, and the free end of the reflector component can be inclined and lifted along the inclined plane under the driving of the adjusting rod;

the reflector component comprises a base and a bendable reflector, the adjusting rod is connected to the tail end of the base, a sliding block is arranged on a front end sliding card of the base, two ends of the reflector are respectively hinged to the tail end of the sliding block and the tail end of the base, the adjusting component is connected between the sliding block and the fixing seat, and the sliding block is driven by the adjusting component to move towards the adjusting rod.

2. The arthroscope of claim 1, wherein: the adjusting component comprises a rope winding wheel arranged on the fixed seat and an adjusting rope wound on the rope winding wheel, and the free end of the adjusting rope penetrates from the tail end of the lens cone and is fixedly connected with the sliding block.

3. The arthroscope of claim 2, wherein: the reflector plate is an arc stainless steel lens.

4. The arthroscope of claim 1, wherein: and the adjusting rod and the hinged shaft of the base are provided with reset torsional springs.

5. The arthroscope of any one of claims 1-4, wherein: the endoscope is a hard endoscope which is inserted and fixed on the fixed seat.

6. The arthroscope of claim 5, wherein: the fixed seat is also provided with an adjusting component for adjusting the insertion depth of the hard sight glass.

7. The arthroscope of claim 6, wherein: the hard sight glass is fixedly arranged on the sight glass mounting seat, and the sight glass mounting seat is provided with first transmission teeth which are in meshing transmission with the adjusting gear.

8. The arthroscope of any one of claims 1-4, wherein: the driving assembly comprises a driving gear rotatably mounted on the fixing seat and a sliding seat fixedly connected with the adjusting rod, and a second transmission gear meshed with the driving gear is arranged on the sliding seat.

9. The arthroscope of any one of claims 1-4, wherein: the lens cone comprises a hollow support rod and a sealing cover arranged at the front end of the support rod, and the observation window is arranged on the sealing cover.